| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- S Y S T E M . P O O L _ G L O B A L -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 1992-2006, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 2, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- |
| -- for more details. You should have received a copy of the GNU General -- |
| -- Public License distributed with GNAT; see file COPYING. If not, write -- |
| -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- |
| -- Boston, MA 02110-1301, USA. -- |
| -- -- |
| -- As a special exception, if other files instantiate generics from this -- |
| -- unit, or you link this unit with other files to produce an executable, -- |
| -- this unit does not by itself cause the resulting executable to be -- |
| -- covered by the GNU General Public License. This exception does not -- |
| -- however invalidate any other reasons why the executable file might be -- |
| -- covered by the GNU Public License. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with System.Storage_Pools; use System.Storage_Pools; |
| with System.Memory; |
| |
| package body System.Pool_Global is |
| |
| package SSE renames System.Storage_Elements; |
| |
| -------------- |
| -- Allocate -- |
| -------------- |
| |
| procedure Allocate |
| (Pool : in out Unbounded_No_Reclaim_Pool; |
| Address : out System.Address; |
| Storage_Size : SSE.Storage_Count; |
| Alignment : SSE.Storage_Count) |
| is |
| pragma Warnings (Off, Pool); |
| pragma Warnings (Off, Alignment); |
| |
| Allocated : System.Address; |
| |
| begin |
| Allocated := Memory.Alloc (Memory.size_t (Storage_Size)); |
| |
| -- The call to Alloc returns an address whose alignment is compatible |
| -- with the worst case alignment requirement for the machine; thus the |
| -- Alignment argument can be safely ignored. |
| |
| if Allocated = Null_Address then |
| raise Storage_Error; |
| else |
| Address := Allocated; |
| end if; |
| end Allocate; |
| |
| ---------------- |
| -- Deallocate -- |
| ---------------- |
| |
| procedure Deallocate |
| (Pool : in out Unbounded_No_Reclaim_Pool; |
| Address : System.Address; |
| Storage_Size : SSE.Storage_Count; |
| Alignment : SSE.Storage_Count) |
| is |
| pragma Warnings (Off, Pool); |
| pragma Warnings (Off, Storage_Size); |
| pragma Warnings (Off, Alignment); |
| |
| begin |
| Memory.Free (Address); |
| end Deallocate; |
| |
| ------------------ |
| -- Storage_Size -- |
| ------------------ |
| |
| function Storage_Size |
| (Pool : Unbounded_No_Reclaim_Pool) |
| return SSE.Storage_Count |
| is |
| pragma Warnings (Off, Pool); |
| |
| begin |
| -- Intuitively, should return System.Memory_Size. But on Sun/Alsys, |
| -- System.Memory_Size > System.Max_Int, which means all you can do with |
| -- it is raise CONSTRAINT_ERROR... |
| |
| return SSE.Storage_Count'Last; |
| end Storage_Size; |
| |
| end System.Pool_Global; |
